6632642013 has 4 divisors (see below), whose sum is σ = 8843522688. Its totient is φ = 4421761340.

The previous prime is 6632641993. The next prime is 6632642033. The reversal of 6632642013 is 3102462366.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6632641993) and next prime (6632642033).

It is a cyclic number.

It is not a de Polignac number, because 6632642013 - 2¹⁸ = 6632379869 is a prime.

It is a super-2 number, since 2×6632642013² = 87983880145225384338, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6632642033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105440333 + ... + 1105440338.

It is an arithmetic number, because the mean of its divisors is an integer number (2210880672).

Almost surely, 2^6632642013 is an apocalyptic number.

It is an amenable number.

6632642013 is a deficient number, since it is larger than the sum of its proper divisors (2210880675).

6632642013 is a wasteful number, since it uses less digits than its factorization.

6632642013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210880674.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 6632642013 is about 81441.0339632301. The cubic root of 6632642013 is about 1878.8647526886.

The spelling of 6632642013 in words is "six billion, six hundred thirty-two million, six hundred forty-two thousand, thirteen".